King James Version
If thou wilt not observe to do all the words of this law that are written in this book, that thou mayest fear this glorious and fearful name, THE LORD THY GOD;English Standard Version
"If you are not careful to do all the words of this law that are written in this book, that you may fear this glorious and awesome name, the LORD your God,New International Version
If you do not carefully follow all the words of this law, which are written in this book, and do not revere this glorious and awesome name-the LORD your God-